Ringo: An Educational DIY Mobile Phone (Blue)

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This neat little device is an open source mobile phone that you can build yourself.

Besides that, Ringo is also an educational device shaped like a mobile phone compatible with all mobile networks.Its purpose: to motivate people to explore, learn and create something new in a fun and interesting way.

Who is this kit for?

Based on our experience, an 11-year-old kid should be able to assemble a Ringo kit with a tiny bit of help from an adult. Estimated build time: 5 hours.

Building the Ringo kit is just the beginning.After that, you’ll spend numerous hours creating your own games and apps and experimenting with hardware.

CircuitOS is our custom-made operating system built on top of FreeRTOS. Currently it only works on our CircuitMess Ringo DIY mobile phone, but we plan to adapt it for all of our current and future products.

Ringo has a build guide

CircuitMess World is a place for Ringo users to share their creations, exchange knowledge, and download programs made by others as well as a collection of tutorials, guides etc.

Ringo ♥ Arduino

YES, we love Arduino.Ringo is based on Arduino-compatible ESP32 microcontroller.

Therefore, it can be programmed in Arduino IDE (based on C/C++) – the most popular programming environment for makers.

What you get inside your box:

Ringo circuit board – the main board that connects all the components in a uniform device that can work as a mobile phone

Ringo casing – multiple sheets of acrylic cut with the power of lasers. They protect the innards and give Ringo this sleek look

128*160 full color TFT LCD – for playing games, displaying phone numbers and everything in between

GSM module – a tiny module responsible for everything related to calling and texting other people

Main microcomputer module – a dual core processor with built-in Wi-Fi, BLE, and a charging circuit

Sound module – a board with a DAC (digital to analog converter) chip and a headphone jack for music playback (responsible for ringtones, alarms, game sound effects)